CN110467477A - 陶瓷吸音材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种陶瓷吸音材料的制备方法,包括以下步骤:切割步骤,根据所需形状和尺寸切割海绵,形成海绵块;浸泡步骤,将所述海绵块浸泡于陶泥浆或瓷泥浆中,使海绵块的内部以及外表面均吸附有陶泥浆或瓷泥浆;晾干步骤,使吸附有陶泥浆或瓷泥浆的海绵块通风晾干;烧制步骤,将晾干后的海绵块放入烧制设备中烧制,烧制温度为1100℃‑1400℃,烧制时间为6h‑9h,得到具有多个开口孔的陶瓷吸音材料。本发明还公开了一种由上述的制备方法制备而成的陶瓷吸音材料,该陶瓷吸音材料的制备容易,吸音效果好,能够根据所需配置该陶瓷吸音材料的物品的形状进行匹配性安装。
Description
技术领域
本发明涉及陶瓷吸音材料技术领域,尤其涉及一种陶瓷吸音材料及其制备方法。
背景技术
音箱是指可将音频信号变换为声音的一种设备。通俗地讲就是指音箱主机箱体或低音炮箱体内自带功率放大器,对音频信号进行放大处理后由音箱本身回放出声音,使其声音变大。
为了改善音箱的声学性能(如降低音箱的谐振频率F0、扩展带宽),通常会在音箱箱体内增设吸音件,传统的吸音件一般为发泡类泡棉或海绵,如聚氨酯、三聚氰胺等,吸音件会吸收掉部分声能,起到过滤杂音的作用。
近年,随着人们对音箱的美感追求越来越高,其形状不仅仅限于传统的长方体或正方体,出现了更多的类似于具有弧形曲面的不规则形状,比如使用陶瓷材料制作而成的箱体,这样不仅可以提高音箱的观赏性,还有利于减少染色和驻波,使低音频的重放音质更好。
由于传统的发泡类泡棉、海绵等吸音件质量较轻、密度较小,导致其消音效果不佳,另外,由于传统的发泡类泡棉、海绵等吸音件的形状一般为规则的形状,而吸音件需要紧贴音箱箱体的内壁面安装,避免其堵塞音箱箱体的用于供扬声器的声波辐射出去的通道,具有规则形状并且质量较轻的吸音件很难根据音箱的不规则形状进行匹配式安装,导致其难以与音箱的内壁面贴靠,容易堵塞音箱箱体的通道,影响音箱的音质。
发明内容
为了克服现有技术的不足,本发明的目的之一在于提供一种陶瓷吸音材料的制备方法,通过该制备方法得到具有多孔结构、质量大、密度大的陶瓷吸音材料。
本发明的目的之二在于提供一种根据上述的制备方法制备出来的陶瓷吸音材料,该陶瓷吸音材料的制备容易,吸音效果好,能够根据所需配置该陶瓷吸音材料的物品的形状进行匹配性安装。
本发明的目的之一采用如下技术方案实现:
陶瓷吸音材料的制备方法,包括以下步骤:
切割步骤,根据所需形状和尺寸切割海绵,形成海绵块;
浸泡步骤,将所述海绵块浸泡于陶泥浆或瓷泥浆中,使海绵块的内部以及外表面均吸附有陶泥浆或瓷泥浆;
晾干步骤,使吸附有陶泥浆或瓷泥浆的海绵块通风晾干;
烧制步骤,将晾干后的海绵块放入烧制设备中烧制,烧制温度为1100℃-1400℃,烧制时间为6h-9h,得到具有多个开口孔的陶瓷吸音材料。
进一步地,在所述浸泡步骤中,所述海绵块的浸泡时间为1min-10min。
进一步地,所述烧制温度为1200℃-1300℃。
进一步地,在所述烧制步骤中,所述烧制时间为7h-8h。
进一步地,所述烧制设备为煤气窑或电窑。
本发明的目的之二采用如下技术方案实现:
陶瓷吸音材料,根据上述的陶瓷吸音材料的制备方法制备形成。
进一步地,多个所述开口孔之间相互连通。
相比现有技术,本发明的有益效果在于:
本发明的陶瓷吸音材料,由于其原料为容易获取的陶泥浆或瓷泥浆以及海绵,并且无须过多复杂的处置步骤即可制备形成具有多孔结构的陶瓷吸音材料,使得该陶瓷吸音材料的制备十分便捷,并且其可根据所需安装该陶瓷吸音材料的物品的形状而获得适配的陶瓷吸音材料,以能够根据所需配置该陶瓷吸音材料的物品的形状进行匹配性安装,继而保证该陶瓷吸音材料能够紧贴物品,而且,由于该陶瓷吸音材料在海绵的基础上,使海绵吸附有陶泥或瓷泥,经烧制形成该陶瓷吸音材料,使得该陶瓷吸音材料的质量以及密度得以增大,从而可提高该陶瓷吸音材料与声波接触的几率,继而提高声能转换为热能的几率,吸音效果更好,提高了消音效果。
具体实施方式
下面,结合具体实施方式,对本发明做进一步描述,需要说明的是,在不相冲突的前提下,以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。
本发明一较佳实施例的一种陶瓷吸音材料的制备方法,包括以下步骤:
切割步骤,根据所需形状和尺寸切割海绵,以形成适用形状和规格大小的海绵块(海绵本身为多孔结构);
浸泡步骤,将所述海绵块浸泡于陶泥浆或瓷泥浆中,以使海绵块的内部以及外表面均吸附有陶泥浆或瓷泥浆,为使海绵块能够充分吸附陶泥浆或瓷泥浆,浸泡时间控制在1min-10min范围内,并且浸泡时间优选为5min,当然,也可根据海绵块的厚度、大小来灵活控制浸泡时间;
晾干、定型步骤,使吸附有陶泥浆或瓷泥浆的海绵块自然风干或者利用烘干设备在60℃-70℃的温度范围内快速烘干,得到固定形状并干透的海绵块,当然,为使吸附有陶泥浆或瓷泥浆的海绵块的形状固定,可将该海绵块放置于具有与该海绵块的形状相适配的型腔的定型模具上;
烧制步骤,将完全晾干后的海绵块放入煤气窑或电窑等烧制设备中烧制,烧制温度为1100℃-1400℃,烧制时间为6h-9h,使得海绵块被烧熔的同时,得到充分瓷化、硬度佳并具有多个开口孔的陶瓷吸音材料,多个所述开口孔之间相互连通,以能够增大表面积,进一步地提高吸音效果。
作为优选的实施方式,所述烧制温度控制为1200℃-1300℃,所述烧制时间为7h-8h,使烧制温度、烧制时间均控制在合理的范围内,能够保证该陶瓷吸音材料可以充分瓷化,又可避免该陶瓷吸音材料被烧熔。
本发明的根据上述的制备方法制备形成的陶瓷吸音材料,由于其原料为容易获取的陶泥浆或瓷泥浆以及海绵,并且无须过多复杂的处置步骤即可制备形成具有多孔结构的陶瓷吸音材料,使得该陶瓷吸音材料的制备十分便捷,并且其可根据所需安装该陶瓷吸音材料的物品的形状而获得适配的陶瓷吸音材料,以能够根据所需配置该陶瓷吸音材料的物品的形状进行匹配性安装,继而保证该陶瓷吸音材料能够紧贴物品,而且,由于该陶瓷吸音材料在海绵的基础上,使海绵吸附有陶泥或瓷泥,经烧制形成该陶瓷吸音材料,使得该陶瓷吸音材料的质量以及密度得以增大,从而可提高该陶瓷吸音材料与声波接触的几率,继而提高声能转换为热能的几率,吸音效果更好,提高了消音效果。
本发明的陶瓷吸音材料的吸音原理如下:声能深入该陶瓷吸音材料的开口孔,其受到空气分子摩擦和粘滞阻力作用,以及在该陶瓷吸音材料内作机械振动,从而使声能转变为热能。具体地,当声能传入陶瓷吸音材料表面时,声能一部分被反射,一部分穿透该陶瓷吸音材料,还有一部由于陶瓷吸音材料的振动或声音在陶瓷吸音材料中传播时与周围介质摩擦,由声能转化成热能,声能被损耗,即通常所说的杂音(杂音包括反射以及乱反射的声音)被吸收,达到过滤杂音的目的。
具体地,本发明的陶瓷吸音材料可应用于由陶瓷材料制作而成的具有不规则形状的音箱箱体中,在制备该由陶瓷材料制作而成的音箱箱体时,可直接使烘干、定型步骤之前吸附有陶泥浆或瓷泥浆的海绵块放置于该音箱箱体的内壁面上,使其与该音箱箱体的内壁面贴合,然后在烘干、烧制该音箱箱体。当然,该陶瓷吸音材料还可应用于礼堂、教室、体育场、电影院、车间、厂房、大的开敞式空间(机场大厅、办公室、展厅等)等需要过滤杂音的场所。
该陶瓷吸音材料的应用,丰富了吸音材料的种类,提供了复合材料吸音板组合的更多可能性,陶瓷吸音材料受惠于陶瓷材料丰富的装饰性,可以带来陶瓷吸音材料在装饰功能上的延展,提供别的吸音材料所没有的面貌。
上述实施方式仅为本发明的优选实施方式,不能以此来限定本发明保护的范围,本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。
Claims (7)
1.陶瓷吸音材料的制备方法,其特征在于,包括以下步骤:
切割步骤,根据所需形状和尺寸切割海绵,形成海绵块;
浸泡步骤,将所述海绵块浸泡于陶泥浆或瓷泥浆中,使海绵块的内部以及外表面均吸附有陶泥浆或瓷泥浆;
晾干步骤,使吸附有陶泥浆或瓷泥浆的海绵块通风晾干;
烧制步骤,将晾干后的海绵块放入烧制设备中烧制,烧制温度为1100℃-1400℃,烧制时间为6h-9h,得到具有多个开口孔的陶瓷吸音材料。
2.如权利要求1所述的陶瓷吸音材料的制备方法,其特征在于,在所述浸泡步骤中,所述海绵块的浸泡时间为1min-10min。
3.如权利要求1所述的陶瓷吸音材料的制备方法,其特征在于,所述烧制温度为1200℃-1300℃。
4.如权利要求1所述的陶瓷吸音材料的制备方法,其特征在于,在所述烧制步骤中,所述烧制时间为7h-8h。
5.如权利要求1所述的陶瓷吸音材料的制备方法,其特征在于,所述烧制设备为煤气窑或电窑。
6.陶瓷吸音材料,其特征在于,根据权利要求1-5中任一项所述的陶瓷吸音材料的制备方法制备形成。
7.如权利要求6所述的陶瓷吸音材料,其特征在于,多个所述开口孔之间相互连通。
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